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We performed calculations of the electronic band structure and the Fermi surface as well as measured the longitudinal resistivity $\rho_{xx}(T,H)$, Hall resistivity $\rho_{xy}(T,H)$, and magnetic susceptibility as a function of temperature…

Strongly Correlated Electrons · Physics 2021-03-02 Shuijin Chen , Zhefeng Lou , Yuxing Zhou , Qin Chen , Binjie Xu , Jianhua Du , Jinhu Yang , Haangdong Wang , Minghu Fang

We performed calculations of the electronic band structure and the Fermi surface as well as measured the longitudinal resistivity rhoxx(T,H), Hall resistivity rhoxy(T,H) and quantum oscillations of the magnetization as a function of…

We report magnetotransport study on type-II Weyl semimetal WP$_2$ single crystals. Magnetoresistance (MR) exhibits a nonsaturating $H^{n}$ field dependence (14,300\% at 2 K and 9 T) whereas systematic violation of Kohler's rule was…

Materials Science · Physics 2017-09-20 Aifeng Wang , D. Graf , Yu Liu , Qianheng Du , Jiabao Zheng , Hechang Lei , C. Petrovic

We report on a systematic study of Hall effect using high quality single crystals of type-II Weyl semimetal WTe2 with the applied magnetic field B//c. The residual resistivity ratio of 1330 and the large magnetoresistance of 1.5\times10^6 %…

Materials Science · Physics 2017-10-03 Rajveer Jha , Ryuji Higashinaka , Tatsuma D. Matsuda , Raquel A. Ribeiro , Yuji Aoki

We study magneto-transport properties in single crystals of TaSb_2, which is a recently discovered topological semimetal. In the presence of magnetic field, the electrical resistivity shows onset of insulating behaviour followed by plateau…

Strongly Correlated Electrons · Physics 2018-04-24 Sudesh , P. Kumar , S. Patnaik

We have investigated the magnetoresistance (MR) and Hall resistivity properties of the single crystals of tantalum sulfide, Ta3S2, which was recently predicted to be a new type II Weyl semimetal. Large MR (up to ~8000% at 2 K and 16 T),…

Materials Science · Physics 2016-11-11 D. Chen , L. X. Zhao , J. B. He , H. Liang , S. Zhang , C. H. Li , L. Shan , C. Ren , S. C. Wang , Z. A. Ren , G. F. Chen

Extremely large magnetoresistance (XMR) was recently discovered in many non-magnetic materials, while its underlying mechanism remains poorly understood due to the complex electronic structure of these materials. Here, we report an…

Time-reversal symmetry breaking allows for a rich set of magneto-transport properties related to electronic topology. Focusing on the magnetic Weyl semimetal Co$_3$Sn$_2$S$_2$, we prepared micro-ribbons and investigated their transverse and…

Multiple mechanisms for extremely large magnetoresistance (XMR) found in many topologically nontrivial/trivial semimetals have been theoretically proposed, but experimentally it is unclear which mechanism is responsible in a particular…

We explore the electronic and topological properties of single crystal SrAl$_2$Si$_2$ using magnetotransport experiments in conjunction with first-principle calculations. We find that the temperature-dependent resistivity shows a pronounced…

Strongly Correlated Electrons · Physics 2022-08-04 Sudip Malick , A. B. Sarkar , Antu Laha , M. Anas , V. K. Malik , Amit Agarwal , Z. Hossain , J. Nayak

We have grown the MoAs$_2$ single crystal which crystallizes in a monoclinic structure with C2/m space group. Transport measurements show that MoAs$_2$ displays a metallic behavior at zero field and undergoes a metal-to-semiconductor…

Materials Science · Physics 2017-11-28 Jialu Wang , Lin Li , Wei You , Tingting Wang , Chao Cao , Jianhui Dai , Yuke Li

We performed the angle dependent magnetoresistance (MR), Hall effect measurements, the temperature dependent magneto-thermoelectric power (TEP) S(T) measurements, and the first-principles calculations to study the electronic properties of…

Strongly Correlated Electrons · Physics 2017-06-21 F. C. Chen , H. Y. Lv , X. Luo , W. J. Lu , Q. L. Pei , G. T. Lin , Y. Y. Han , X. B. Zhu , W. H. Song , Y. P. Sun

We performed the detailed magnetotransport measurements and first principle calculations to study the electronic properties of the transition metal dipnictides ZrAs2, which is a topological nodal-line semimetal. Extremely large unsaturated…

Materials Science · Physics 2025-03-03 Junjian Mi , Sheng Xu , Shuxiang Li , Chenxi Jiang , Zheng Li , Qian Tao , Zhu-An Xu

In this Letter, we report the observation of disorder-driven anisotropic Kondo screening and spontaneous Hall effect in bulk WTe${_2}$, a nonmagnetic type-II Weyl semimetal. We show that Kondo scattering emerges more prominently in…

Mesoscale and Nanoscale Physics · Physics 2025-09-15 Arpan Manna , Sunit Das , Amit Agarwal , Soumik Mukhopadhyay

Electrical resistivity, magnetoresistivity, and the Hall effect have been studied in a topological semimetal WTe2 single crystal in the temperature range from 12 to 200 K under magnetic fields up to 9 T. It has been found that quadratic…

Strongly Correlated Electrons · Physics 2023-02-02 A. N. Perevalova , S. V. Naumov , V. V. Chistyakov , E. B. Marchenkova , B. M. Fominykh , V. V. Marchenkov

Magnetic Weyl semimetals exhibit intriguing transport phenomena due to their non-trivial band structure. Recent experiments in bulk crystals of the shandite-type Co$_3$Sn$_2$S$_2$ have shown that this material system is a magnetic Weyl…

The binary pnictide semimetals have attracted considerable attention due to their fantastic physical properties that include topological effects, negative magnetoresistance, Weyl fermions and large non-saturation magnetoresistance. In this…

Materials Science · Physics 2022-04-19 Yong Zhang , Xinliang Huang , Wenshuai Gao , Xiangde Zhu , Li Pi

Several early transition metal dipnictides have been found to host topological semimetal states and exhibit large magnetoresistance. In this study, we use angle-resolved photoemission spectroscopy (ARPES) and magneto-transport to study the…

The extremely large magnetoresistance (XMR) observed in many topologically nontrivial and trivial semimetals has attracted much attention in relation to its underlying physical mechanism. In this paper, by combining the band structure and…

Multipolar Kondo systems offer unprecedented opportunities for designing astonishing quantum phases and functionalities beyond spin-only descriptions. A model material platform of this kind is the cubic heavy-fermion system…

Strongly Correlated Electrons · Physics 2023-08-29 Takachika Isomae , Akito Sakai , Mingxuan Fu , Takanori Taniguchi , Masashi Takigawa , Satoru Nakatsuji
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